mirror of
https://github.com/sqlmapproject/sqlmap.git
synced 2024-11-22 17:46:37 +03:00
64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
#!/usr/bin/env python
|
|
|
|
"""
|
|
$Id$
|
|
|
|
Copyright (c) 2006-2012 sqlmap developers (http://www.sqlmap.org/)
|
|
See the file 'doc/COPYING' for copying permission
|
|
"""
|
|
|
|
from lib.core.exception import sqlmapSyntaxException
|
|
from plugins.generic.syntax import Syntax as GenericSyntax
|
|
|
|
class Syntax(GenericSyntax):
|
|
def __init__(self):
|
|
GenericSyntax.__init__(self)
|
|
|
|
@staticmethod
|
|
def unescape(expression, quote=True):
|
|
if quote:
|
|
while True:
|
|
index = expression.find("'")
|
|
if index == -1:
|
|
break
|
|
|
|
firstIndex = index + 1
|
|
index = expression[firstIndex:].find("'")
|
|
|
|
if index == -1:
|
|
raise sqlmapSyntaxException, "Unenclosed ' in '%s'" % expression
|
|
|
|
lastIndex = firstIndex + index
|
|
old = "'%s'" % expression[firstIndex:lastIndex]
|
|
unescaped = "||".join("%s(%d)" % ("CHR" if ord(expression[i]) < 256 else "NCHR", ord(expression[i])) for i in xrange(firstIndex, lastIndex))
|
|
|
|
expression = expression.replace(old, unescaped)
|
|
else:
|
|
expression = "||".join("CHR(%d)" % ord(c) for c in expression)
|
|
|
|
return expression
|
|
|
|
@staticmethod
|
|
def escape(expression):
|
|
while True:
|
|
index = expression.find("CHR(")
|
|
if index == -1:
|
|
break
|
|
|
|
firstIndex = index
|
|
index = expression[firstIndex:].find("))")
|
|
|
|
if index == -1:
|
|
raise sqlmapSyntaxException, "Unenclosed ) in '%s'" % expression
|
|
|
|
lastIndex = firstIndex + index + 1
|
|
old = expression[firstIndex:lastIndex]
|
|
oldUpper = old.upper()
|
|
oldUpper = oldUpper.replace("CHR(", "").replace(")", "")
|
|
oldUpper = oldUpper.split("||")
|
|
|
|
escaped = "'%s'" % "".join(chr(int(char)) for char in oldUpper)
|
|
expression = expression.replace(old, escaped)
|
|
|
|
return expression
|